252240353 has 4 divisors (see below), whose sum is σ = 252899328. Its totient is φ = 251581380.

The previous prime is 252240349. The next prime is 252240367. The reversal of 252240353 is 353042252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252240353 - 2² = 252240349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252240343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328913 + ... + 329678.

It is an arithmetic number, because the mean of its divisors is an integer number (63224832).

Almost surely, 2^252240353 is an apocalyptic number.

It is an amenable number.

252240353 is a deficient number, since it is larger than the sum of its proper divisors (658975).

252240353 is an equidigital number, since it uses as much as digits as its factorization.

252240353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658974.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 252240353 is about 15882.0764700338. The cubic root of 252240353 is about 631.8367102380.

It can be divided in two parts, 2522 and 40353, that added together give a cube (42875 = 35³).

The spelling of 252240353 in words is "two hundred fifty-two million, two hundred forty thousand, three hundred fifty-three".